InChI=1/C18H22N2O2S/c1-18(2,3)16-8-4-14(5-9-16)12-20-13-15-6-10-17(11-7-15)23(19,21)22/h4-12H,13H2,1-3H3,(H2,19,21,22)/p+1/b20-12+/fC18H23N2O2S/h20H,19H2/q+1 646D4EBA6AE07775